Make --no-exec the default for tests because the Azure SDK requires it. This...

Make --no-exec the default for tests because the Azure SDK requires it. This simplifies testing on Windows.

native/src/test/cutest.h

@@ -152,7 +152,7 @@ int test_check__(int cond, const char* file, int line, const char* fmt, ...);
 
 static char* test_argv0__ = NULL;
 static int test_count__ = 0;
-static int test_no_exec__ = 0;
+static int test_no_exec__ = 1;
 static int test_no_summary__ = 0;
 static int test_skip_mode__ = 0;
 
@@ -520,6 +520,7 @@ test_help__(void)
     printf("Options:\n");
     printf("  -s, --skip            Execute all unit tests but the listed ones\n");
     printf("      --no-exec         Do not execute unit tests as child processes\n");
+    printf("      --exec            Execute unit tests as child processes\n");
     printf("      --no-summary      Suppress printing of test results summary\n");
     printf("  -l, --list            List unit tests in the suite and exit\n");
     printf("  -v, --verbose         Enable more verbose output\n");
@@ -585,6 +586,8 @@ main(int argc, char** argv)
             test_skip_mode__ = 1;
         } else if(strcmp(argv[i], "--no-exec") == 0) {
             test_no_exec__ = 1;
+        } else if(strcmp(argv[i], "--exec") == 0) {
+            test_no_exec__ = 0;
         } else if(strcmp(argv[i], "--no-summary") == 0) {
             test_no_summary__ = 1;
         } else if(strcmp(argv[i], "--list") == 0 || strcmp(argv[i], "-l") == 0) {